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Root Canal therapy aims at a thorough Chemo-mechanical debridement followed by a three-dimensional sealing of the complex root canal system. Current methods of root canal shaping produce a smear layer that covers root canal walls and the openings to the dentinal tubules. A complete removal of this layer is challenging if not impossible through only a flushing action of liquid EDTA as an irrigant. The focus today is on activation of this irrigant solution to provide a synergistic action between mechanical and chemical means of debridement. Although, investigators have studied the effect of activation of irrigating solution versus non-activation, a comprehensive study comparing various activating methods has not been documented. The aim of this research was to compare the effectiveness of different methods for activating 17% liquid EDTA for removal of intra-radicular smear layer throughout the length of the root canal. The results obtained from this research can be applied to clinical models for providing a better and more predictable outcome to endodontic therapy. Author Information Roheet Khatavkar BDS, MDS is an Endodontist and Dentist in Andheri West, Mumbai. Dr. Roheet Khatavkar practices at The Braces Point in Andheri West, Mumbai, Dr Tejas Kapadia's Dental Clinic in Andheri West, Mumbai and Sparkle Dental Care in Peddar Road, Mumbai. He completed MDS - Conservative Dentistry & Endodontics from Nair Hospital Dental College (NHDC), Mumbai. Vivek Hegde BDS, MDS is Professor, Head of Department of Conservative Dentistry and Endodontics and Vice Principal at M. A Rangoonwala Dental Collge Pune. He completed his BDS and MDS in Conservative dentistry and Endodontics from Manipal University. He has also completed his Diploma and Masters in Laser dentistry from University of Vienna Austria where he is also a faculty in the Master’s program in Dental Lasers. Arun Khatavkar BDS, MDS earned his BDS (BOM) in 1976 and MDS (BOM) in 1979 at Mumbai, Maharashtra. He has been an under-graduate and post-graduate teacher in several institutions across Maharashtra. He has been appointed as an under-graduate & post-graduate examiner in Maharashtra and across the country through University of Mumbai, Gulbarga, Pune, Bharti Vidyapeeth Deemed University &M. U. H. S. Nashik.
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